Love Me Like You Do (z.h. mpreg)

Zayn and Niall Malik fell in love in college a few years ago. Sure, they had some bumps in the road, but doesn't that happen to everyone?
Now, several pets and two kids later (with one on the way), here they are.
This is "Love Me Like You Do".
(warnings: mentions of past self-harm, mentions of past-attempted rape, mentions of past domestic violence, mpreg, and smut. and fluff. too much fluff can be harmful :P)